Bomarea. Amaryllideæ.
Propagated by seeds, which may be sown in a warm house. Also increased by careful division of the underground stem. In making a division it is necessary to observe that the part taken has some roots by which to live till new ones are formed.
Bombax (Silk Cotton Tree). Malvaceæ.
Plants raised from seeds brought from their native habitats make the best trees. Increased by cuttings, which will root readily if not too ripe. They should be taken off at a joint, and placed in sand under a bell-glass, in moist heat.
Bonapartea. See [Tillandsia].
Bonjeania. See [Dorycnium].
Bonnaya. Scrophularineæ.
The annual species by seeds, the others by divisions and cuttings.
Bonnetia. Ternstrœmiaceæ.
Increased by cuttings of firm, young shoots inserted in sand, under a hand-glass, in a moderate heat.